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What Is The Size Of An Air Impact Wrench?

Aug 05, 2022


First, let me explain what you mean by the size here. The size of an impact wrench is the dimension of the drive anvil. The size of the impact wrench is the distance between the flat edges of the driving anvil.


 air impact wrench


In this section of the article, I want to introduce you to some of the most common sizes. These are the sizes that you will see if you were to go to any hardware store and look for impact wrenches: 1/2-inch, 3/4-inch, 1-inch.

1/2 air impact wrench

1/2 air impact wrench


1/2-inch impact wrench is Probably the most common size that the side length of the square drive head part of the connecting sleeve is 1/2 inch (12.7mm). Because 1/2-inch impact wrenches are in the middle of the size chart, they offer the best balance between precision and power. This is a relatively small air gun, suitable for removing screws on car tires.


3/4 air impact wrench

3/4 air impact wrench


3/4 medium-sized air gun, high torsional strength, moderate weight, made of high-nickel alloy steel, strong design, professionally used in automobile maintenance industry, shipbuilding, metallurgy mining, oil field, railway and heavy machinery bolt unloading.


inch air impact wrench

1-inch air impact wrench


1-inch pneumatic wrench, equipped with 1-inch square drive head, more torque. Generally it is suitable for screw removal on relatively large cars, trucks and buses.



About 3/4-inch, and 1-inch wrenches , the two biggest sizes on the size chart, They tend to be so powerful that they aren’t particularly useful for most home projects. However, take a walk over to your local construction site, and you will start seeing a lot more 3/4-inch and 1-inch wrenches since their power is a lot more useful in a professional setting.


1/4 air impact wrench1/4 air impact wrench

3/8-inch Air Impact Wrench

3/8-inch Air Impact Wrench


By far the smallest impact wrenches that you can find are 1/4-inch and 3/8-inch wrenches. These ratchet wrench are generally pretty compact and very easy to use in extremely tight spaces.


They are also perfect for working in situations where accuracy and precision trump power.These are perfect for bolts that are 10mm in diameter or below. They come in a variety of different styles, including both pistol grip and inline grip styles.




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